Test Engineering Technician - Fremont, CA, United States
Originally posted 28 July 2026 by the employer.
Support development and testing of high-power CW lasers for optoelectronic devices.
About the role
As a Test Engineering Technician, you will support the development engineering of automated process and test equipment for high-power CW lasers and their packages.
What you'll do
- Work with test engineers on developing, assembling, qualifying, and maintaining new testers for laser and photodiode characterization.
- Help with tester instrumentation and new tester qualification.
- Collect and organize test data.
- Assist in creating tester documentation and interacting with operators and other engineers.
- Support existing testers by performing troubleshooting, creating new product recipes, maintaining spare parts, and performing daily SPC and calibration routines.
What you'll need
- Associate degree in a technical discipline, or high school diploma with relevant industrial experience.
- Basic knowledge in electronics, optics, and semiconductor laser testing and instrumentation.
- Industrial experience in high-volume semiconductor manufacturing.
- Hands-on experience with MS Office, including Word and Excel.
- Experience with semi-automated and automated processing tools.
- Experience in wafer level or die level handling.
Nice to have
- Experience working with small parts.
Skills: laser characterization, photodiode characterization, tester instrumentation, SPC, cleanroom
This role has been open 82 days — well above the 52-day median for Semiconductor Equipment Engineering roles.
Semiconductor Equipment Engineering · Metrology Inspection
|
Open roles in category
195
|
Median days open
52 d
|
Median salary
$160k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Coherent Corp | All employers we track in this specialty (195 roles · 23 employers) |
|---|---|---|
| Open roles in this specialty | 1 | 195 |
| Open roles in the wider Process, Fab & Equipment family | 143 | 9897 · 109 employers |
| Median days open | 82 d | 52 d (+30 d vs this employer) |
| Median salary (USD postings) | — | $160k |
Skills observed across this category: laser characterization, photodiode characterization, tester instrumentation, SPC, cleanroom
Who's hiring in this category
- KLA Corporation · 73 open roles · median 44 d
- Applied Materials · 26 open roles · median 64 d
- Onto Innovation · 21 open roles · median 71 d
- Lam Research · 15 open roles · median 47 d
- Micron Technology · 12 open roles · median 43 d
- Entegris · 10 open roles · median 59 d
How we counted: 195 open Semiconductor Equipment Engineering (Metrology Inspection) roles from 23 employers tracked in the SemiconductorJobs index, counted 18 Oct 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Process, Fab & Equipment family row. Figures refresh nightly.